X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details PROTEIN IN TRIS-HCL, 8.5 11-14 MG/ML PRECIPITANT: 12% PEG MME 2000, 5 MM NICL2, 0.1 M TRIS-HCL, PH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.22 α = 90
b = 94.35 β = 90
c = 121.79 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD XRAY RESEARCH -- 1999-06-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.95 74.5 94.6 0.081 -- -- 9.9 -- 39968 -- -- 30.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.95 1.98 54.2 0.288 -- 5.7 6.3 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.95 20.0 -- 0.0 -- 41695 2099 94.6 -- -- 0.204 0.269 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.9
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 21.6
p_staggered_tor 18.4
p_planar_tor 8.2
p_multtor_nbd 0.259
p_bond_d 0.024
p_angle_d 0.045
p_planar_d 0.066
p_mcbond_it 2.508
p_mcangle_it 3.317
p_scbond_it 3.148
p_scangle_it 4.378
p_plane_restr 0.0284
p_chiral_restr 0.288
p_singtor_nbd 0.188
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3331
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 409

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building